[ASTERIXDB-1564][CONF] Consistently Use Log4j2

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- Replace java.util.logging by Log4j2.
- Excluded classes due to their tests:
  - IoUtil
  - Tracer

Change-Id: Ic137571292f45de1f1994c61d328b97185012197
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2226
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Michael Blow <mblow@apache.org>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
diff --git a/hyracks-fullstack/hyracks/hyracks-test-support/pom.xml b/hyracks-fullstack/hyracks/hyracks-test-support/pom.xml
index 104e943..6559308 100644
--- a/hyracks-fullstack/hyracks/hyracks-test-support/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-test-support/pom.xml
@@ -104,5 +104,9 @@
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-api</artifactId>
+    </dependency>
   </dependencies>
 </project>